This dress is from BW July/Aug. 1999. It is the Summer Dress LSdS Nov. 27, 1925.
The hat is from BW March/April 2000 and is called
"Soft Hat in Lace and Ribbon" LSdS #25, 1920. The purse is from LSdS also.
The outfit below is from Timeless Treasures from Bleuette's World.